A Robot is a reprogramable, multi-functional manipulator designed to move material, parts, tools, or a specialized devices through variable programmed motions for the performance of variety of tasks. In order to make a robot do anything it has to have a program or a set of programs that tell it to do certain tasks. Robots come in all different shapes and sizes. Some robots have been used to try and look and behave physically like a human being. Other robots are used for home entertainments. For example there is a robotic dog that now for sale that can behave and act like a dog. The nice thing about having a robotic dog is a person could shut it off when they get tired of it.
Different Kinds of Robots
Some robots have arms, legs, heads, wheels, and etc. There are robots that are used in big industrial factories. General Electric uses robotic arms to weld. The robotic arms can weld with such great precission that it looks perfect. There are also robots that have been used in movies such as Mighty Joe Young, Star Wars, and Jurrasick Park. Then there are also miniture robots that are designed like small insects such as horseflys and ladybugs. You can read about the insect robots in the National Geographics Magazine.